Evidence row 257246

Observed 26 Oct 2026, 15:46 UTC, by probe.mcp/1.

Kind: mcp.tools
About: endpoint b230fcd2-a1e7-4daa-b295-15718971747f
Recorded: 26 Oct 2026, 15:46 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 82e992b1e26776b4261590f3b9c962e633165c007456702a38008363f42a90cb
Leaf: 0x493f64ef2eb25679d06a08aefe5db411d01bb4cf3c5e301fa0fd1a5c99bff659

What was observed

{
  "count": 17,
  "tools": [
    {
      "description": "查某個商品品類在台灣的整體行情：最低價、中位數、平均、最高價與各價格帶。使用者問「○○大概多少錢」「○○行情」「多少預算能買到○○」時使用。",
      "inputSchema": {
        "properties": {
          "category": {
            "description": "品類，例如「藍牙喇叭」「氣炸鍋」「除濕機」",
            "type": "string"
          }
        },
        "required": [
          "category"
        ],
        "type": "object"
      },
      "name": "category_price_range"
    },
    {
      "description": "檢查一個台灣網購網站是否安全：比對 8.8 萬筆詐騙通報名單、是否已收錄建檔、有無營運公司登記。使用者買東西前問「這網站安全嗎／是不是詐騙／可以信任嗎」時使用。",
      "inputSchema": {
        "properties": {
          "domain": {
            "description": "網站網址或網域，例如 example.com.tw",
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "check_store_safety"
    },
    {
      "description": "比較某商品在 momo、PChome 與台灣品牌官網的價格，回傳整體最低價、各通路最低價與候選清單。使用者問「哪裡買最便宜」「幫我比價」時使用。",
      "inputSchema": {
        "properties": {
          "query": {
            "description": "商品關鍵字，越精確越好，例如「SONY SRS-XB100」",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "compare_prices"
    },
    {
      "description": "把台幣金額換算成美金、日圓、人民幣等主要外幣（即時匯率）。使用者問「這個多少美金／日圓」「跨境比價」時使用。",
      "inputSchema": {
        "properties": {
          "amount_twd": {
            "description": "台幣金額",
            "type": "number"
          }
        },
        "required": [
          "amount_twd"
        ],
        "type": "object"
      },
      "name": "convert_price"
    },
    {
      "description": "找出同一款商品在 momo、PChome、品牌官網之間價差最大的排行：選對通路能省最多的商品清單。使用者問「哪些東西不同通路差很多」「同款哪裡買最便宜」時使用。",
      "inputSchema": {
        "properties": {
          "limit": {
            "description": "回傳筆數，預設 15，最多 30",
            "type": "number"
          }
        },
        "type": "object"
      },
      "name": "cross_channel_gaps"
    },
    {
      "description": "即時偵測任一網站使用的電商技術：開店平台（SHOPLINE / 91APP / Shopify / WooCommerce 等）、金流、廣告像素、分析追蹤與行銷工具。輸入網址或網域。",
      "inputSchema": {
        "properties": {
          "url": {
            "description": "網址或網域，例如 example.com.tw",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "detect_site_tech"
    },
    {
      "description": "找台灣電商目前的優惠：今天跌到歷史新低的商品、折扣最深的商品，或某品類的最低價。使用者問「今天有什麼好康／降價」「有什麼便宜的○○」時使用。",
      "inputSchema": {
        "properties": {
          "category": {
            "description": "可選，指定品類看該品類最低價，例如「氣炸鍋」「藍牙喇叭」",
            "type": "string"
          },
          "limit": {
            "description": "回傳筆數，預設 15，最多 30",
            "type": "number"
          },
          "type": {
            "description": "優惠類型：lowest（跌到歷史新低，預設）｜discount（折扣最深）",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "find_deals"
    },
    {
      "description": "反查台灣有哪些網站使用某個電商技術（開店平台、金流、廣告像素、分析工具）。使用者問「用 SHOPLINE 的台灣網站有哪些」「哪些站在用綠界金流」時使用。",
      "inputSchema": {
        "properties": {
          "limit": {
            "description": "回傳筆數，預設 20，最多 50",
            "type": "number"
          },
          "tech": {
            "description": "技術名稱，例如「SHOPLINE」「CYBERBIZ」「綠界」「Meta Pixel」",
            "type": "string"
          }
        },
        "required": [
          "tech"
        ],
        "type": "object"
      },
      "name": "find_sites_by_tech"
    },
    {
      "description": "用 slug 取得 ECPRO 電商博士單篇文章的完整內容（純文字），含常見問答（FAQ）。先用 search_ecommerce_articles 找到 slug 再呼叫。",
      "inputSchema": {
        "properties": {
          "slug": {
            "description": "文章 slug，例如 aov-average-order-value-optimization",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_ecommerce_article"
    },
    {
      "description": "取得單一商品的歷史價格走勢（日期＋價格），判斷現在是不是低點、是不是真優惠。offer_id 由 search_products / compare_prices 的結果取得。",
      "inputSchema": {
        "properties": {
          "offer_id": {
            "description": "商品 offer_id，例如 momo:15014911",
            "type": "string"
          }
        },
        "required": [
          "offer_id"
        ],
        "type": "object"
      },
      "name": "get_price_history"
    },
    {
      "description": "列出 ECPRO 電商博士知識庫的所有文章分類與各分類文章數，用來了解知識庫涵蓋範圍。",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_article_categories"
    },
    {
      "description": "用商品條碼查食品的成分、營養、過敏原（Open Food Facts 全球食品資料庫）。使用者掃到條碼、問食品成分/營養時使用。",
      "inputSchema": {
        "properties": {
          "barcode": {
            "description": "商品條碼（EAN/UPC 數字）",
            "type": "string"
          }
        },
        "required": [
          "barcode"
        ],
        "type": "object"
      },
      "name": "lookup_food_barcode"
    },
    {
      "description": "幫使用者檢查一個商品是否買貴了：輸入商品名稱與你付的價格，回傳其他通路有沒有更便宜、能省多少。使用者問「我買的○○貴了嗎」「這價格合理嗎」時使用。",
      "inputSchema": {
        "properties": {
          "paid_price": {
            "description": "你付的價格（元）",
            "type": "number"
          },
          "product": {
            "description": "商品名稱或關鍵字",
            "type": "string"
          }
        },
        "required": [
          "product",
          "paid_price"
        ],
        "type": "object"
      },
      "name": "price_match_check"
    },
    {
      "description": "依預算和情境推薦台灣商品：送禮、學生、租屋族、居家辦公等。使用者問「X 元送禮推薦什麼」「租屋族該買什麼」「學生 3C 推薦」時使用。",
      "inputSchema": {
        "properties": {
          "budget": {
            "description": "預算上限（元）",
            "type": "number"
          },
          "category": {
            "description": "可選，指定品類，例如「藍牙耳機」",
            "type": "string"
          },
          "scene": {
            "description": "可選情境關鍵字，例如「送禮」「租屋」「學生」「露營」「居家辦公」",
            "type": "string"
          }
        },
        "required": [
          "budget"
        ],
        "type": "object"
      },
      "name": "recommend_by_budget"
    },
    {
      "description": "搜尋 ECPRO 電商博士的電商經營知識文章（繁體中文，涵蓋行銷、傳播、品牌、廣告流量、轉換優化、會員回購、金流財務、物流營運、數據 KPI、跨境通路、AI 應用等）。回傳標題、摘要、分類與網址。回答台灣電商經營、開店、行銷、廣告、數據等問題時使用。",
      "inputSchema": {
        "properties": {
          "category": {
            "description": "可選分類，例如「廣告與流量」「金流定價財務」「會員與回購」",
            "type": "string"
          },
          "limit": {
            "description": "回傳筆數，預設 8，最多 20",
            "type": "number"
          },
          "query": {
            "description": "關鍵字，例如「客單價」「Meta 廣告」「跨境」「復購」",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_ecommerce_articles"
    },
    {
      "description": "搜尋台灣電商商品與價格（涵蓋 momo、PChome 24h 與台灣品牌官網）。回傳商品名、目前價格、通路與購買連結，依價格由低到高。使用者想買某商品、問價格、要推薦選購時使用。",
      "inputSchema": {
        "properties": {
          "channel": {
            "description": "限定通路：momo｜pchome｜official（品牌官網），可選",
            "type": "string"
          },
          "limit": {
            "description": "回傳筆數，預設 10，最多 20",
            "type": "number"
          },
          "max_price": {
            "description": "價格上限（元），可選",
            "type": "number"
          },
          "min_price": {
            "description": "價格下限（元），可選",
            "type": "number"
          },
          "query": {
            "description": "商品關鍵字，例如「藍牙喇叭」「氣炸鍋」「Marshall 喇叭」",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_products"
    },
    {
      "description": "判斷某商品現在是不是買點：用歷史價與近期趨勢分析「該買還是等」。使用者問「○○現在該買嗎」「這價格划算嗎」「還會再降嗎」時使用。offer_id 由 search_products / compare_prices 取得。",
      "inputSchema": {
        "properties": {
          "offer_id": {
            "description": "商品 offer_id，例如 momo:15014911",
            "type": "string"
          }
        },
        "required": [
          "offer_id"
        ],
        "type": "object"
      },
      "name": "should_i_buy_now"
    }
  ]
}

What the leaf hashes

{"body":"82e992b1e26776b4261590f3b9c962e633165c007456702a38008363f42a90cb","id":257246,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793029588498644,"prev":null,"subject":"b230fcd2-a1e7-4daa-b295-15718971747f","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).
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Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON